Gadget blog Tested explains how to stress test your computer's most important hardware—and likely pain points in a buggy system—in order to diagnose and fix hardware problems that can commonly crop up in software errors and system crashes.

Hit up the guide at Tested for a full walkthrough, and if you're a serious stress tester or you consider yourself a skilled hardware bug-hunter, let's hear about your favorite methods and tools for the job in the comments.